Preparation and first-principles study for electronic structures of BiOI/BiOCl composites with highly improved photocatalytic and adsorption performances

Yang, Chengyu; Li, Feng; Zhang, Meng; Li, Taohai; Cao, Wei

doi:10.1016/j.molcata.2016.06.007

Cited by 54 publications

(21 citation statements)

References 46 publications

(52 reference statements)

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“…The SEM image of BiOBr 0.3 I 0.7 after cycling experiment shows that the BiOBr 0.3 I 0.7 nanoplates structure was observed again (Fig. 3H) ), respectively [31,44]. N 2 and KI negatively affected the photocatalytic degradation of MO (Fig.…”

Section: Photocatalyst Cycling Experimentsmentioning

confidence: 90%

Synthesis of visible-light-driven BiOBrxI1-x solid solution nanoplates by ultrasound-assisted hydrolysis method with tunable bandgap and superior photocatalytic activity

Meng

et al. 2018

Journal of Alloys and Compounds

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Section: Photocatalyst Cycling Experimentsmentioning

confidence: 90%

Synthesis of visible-light-driven BiOBrxI1-x solid solution nanoplates by ultrasound-assisted hydrolysis method with tunable bandgap and superior photocatalytic activity

Meng

et al. 2018

Journal of Alloys and Compounds

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“…It seems possible that these results are due to BET surface area of BiOCl–Bent catalyst. Because higher surface area exhibited more radical species such as hydroxyl ( OH • ) or superoxide

((), O_{2}^{• -})

on catalyst surface that makes efficient degradation . Among the Bi/Zn/Bent(X), Bi/Zn/Bent (20%) exhibited more catalytic performance than Bi/Zn/Bent (70%) catalyst.…”

Section: Resultsmentioning

confidence: 99%

Synthesis, characterization, and photocatalytic activities of novel bentonite‐supported BiOCl–ZnO heterojunction (BiOCl–ZnO–Bentonite) under UV light

Vai̇zoğullar

2017

Asia-Pacific J Chem Eng

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Herein, we report the synthesis of a new composite catalyst immobilized on bentonite surface (BiOCl-ZnO-Bent). The samples were characterized using Scanning Electron Microscope (SEM), Transmission Electron Microscope (TEM), X-ray Diffraction (XRD), Brunauer-Emmett-Teller, photoluminescence, and Diffuse Reflectance Spectra (UV-Vis DRS) analyses. BiOCl were observed as nanosheets, whereas ZnO particles were nearly spherical (SEM images). Bentonite clay was used to increase the surface area of the samples. Brunauer-Emmett-Teller surface area of Bi/Zn/Bent (50%) catalyst was lower than that of the ZnO-Bent and BiOCl-Bent. The prepared photocatalyst decomposed 10 mg L −1 of 3-chlorophenol (3-CP) within 180 min under UV light. Bi/Zn/ Bent (50%) catalyst showed the highest photocatalytic activity. A proposed degradation mechanism for Bi/Zn/Bent (50%) composite is also discussed.

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“…Among them, synthetic functional materials can be engineered to low-dimensional nanoparticles using facile wet routes [120][121][122], while various reaction parameters can effectively influence the final shape and functionality of the products [123,124]. Additionally, introducing impurities into low-dimensional matrices is much easier through ions in liquid form during synthesis [125,126], which may facilitate the results in the previous doping strategies.…”

Section: Possible Synthesis Routesmentioning

confidence: 99%

Introducing Magnetism into 2D Nonmagnetic Inorganic Layered Crystals: A Brief Review from First-Principles Aspects

et al. 2018

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Pioneering explorations of the two-dimensional (2D) inorganic layered crystals (ILCs) in electronics have boosted low-dimensional materials research beyond the prototypical but semi-metallic graphene. Thanks to species variety and compositional richness, ILCs are further activated as hosting matrices to reach intrinsic magnetism due to their semiconductive natures. Herein, we briefly review the latest progresses of manipulation strategies that introduce magnetism into the nonmagnetic 2D and quasi-2D ILCs from the first-principles computational perspectives. The matrices are concerned within naturally occurring species such as MoS 2 , MoSe 2 , WS 2 , BN, and synthetic monolayers such as ZnO and g-C 2 N. Greater attention is spent on nondestructive routes through magnetic dopant adsorption; defect engineering; and a combination of doping-absorbing methods. Along with structural stability and electric uniqueness from hosts, tailored magnetic properties are successfully introduced to low-dimensional ILCs. Different from the three-dimensional (3D) bulk or zero-dimensional (0D) cluster cases, origins of magnetism in the 2D space move past most conventional physical models. Besides magnetic interactions, geometric symmetry contributes a non-negligible impact on the magnetic properties of ILCs, and surprisingly leads to broken symmetry for magnetism. At the end of the review, we also propose possible combination routes to create 2D ILC magnetic semiconductors, tentative theoretical models based on topology for mechanical interpretations, and next-step first-principles research within the domain.

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Preparation and first-principles study for electronic structures of BiOI/BiOCl composites with highly improved photocatalytic and adsorption performances

Cited by 54 publications

References 46 publications

Synthesis of visible-light-driven BiOBrxI1-x solid solution nanoplates by ultrasound-assisted hydrolysis method with tunable bandgap and superior photocatalytic activity

Synthesis of visible-light-driven BiOBrxI1-x solid solution nanoplates by ultrasound-assisted hydrolysis method with tunable bandgap and superior photocatalytic activity

Synthesis, characterization, and photocatalytic activities of novel bentonite‐supported BiOCl–ZnO heterojunction (BiOCl–ZnO–Bentonite) under UV light

Introducing Magnetism into 2D Nonmagnetic Inorganic Layered Crystals: A Brief Review from First-Principles Aspects

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